000 00258nam a2200109Ia 4500
008 211209s1993 xx 000 0 und d
041 _aeng
100 _aMADAN R D
245 _aISC CHEMISTRY
260 _aNEW DELHI
_bS CHAND & COMPANY
_c1993
300 _a758
999 _c100195
_d100195